summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorMarek Vasut <marex@denx.de>2021-08-04 21:51:40 +0200
committerVinod Koul <vkoul@kernel.org>2021-08-06 19:21:16 +0530
commit4153a7f6440f46261a3004009eaa914914f08055 (patch)
treefa38f2eb4e894b3348fbef9a4dbd90b50bc0bba3 /drivers/dma
parentd6ff82cc1bff97923dfa0640d27271bc220a5004 (diff)
dmaengine: xilinx: Add empty device_config function
Various DMA users call the dmaengine_slave_config() and expect it to succeed, but that can only succeed if .device_config is implemented. Add empty device_config function rather than patching all the places which use dmaengine_slave_config(). Signed-off-by: Marek Vasut <marex@denx.de> Cc: Akinobu Mita <akinobu.mita@gmail.com> Cc: Kedareswara rao Appana <appana.durga.rao@xilinx.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20210804195140.61396-1-marex@denx.de Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/xilinx/xilinx_dma.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 213e1a7314b7..97cbde4e0a29 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -1658,6 +1658,17 @@ static void xilinx_dma_issue_pending(struct dma_chan *dchan)
}
/**
+ * xilinx_dma_device_config - Configure the DMA channel
+ * @dchan: DMA channel
+ * @config: channel configuration
+ */
+static int xilinx_dma_device_config(struct dma_chan *dchan,
+ struct dma_slave_config *config)
+{
+ return 0;
+}
+
+/**
* xilinx_dma_complete_descriptor - Mark the active descriptor as complete
* @chan : xilinx DMA channel
*
@@ -3095,6 +3106,7 @@ static int xilinx_dma_probe(struct platform_device *pdev)
xdev->common.device_synchronize = xilinx_dma_synchronize;
xdev->common.device_tx_status = xilinx_dma_tx_status;
xdev->common.device_issue_pending = xilinx_dma_issue_pending;
+ xdev->common.device_config = xilinx_dma_device_config;
if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) {
dma_cap_set(DMA_CYCLIC, xdev->common.cap_mask);
xdev->common.device_prep_slave_sg = xilinx_dma_prep_slave_sg;